A118564 Lucky numbers which are divisible by the sum of their digits.
1, 3, 7, 9, 21, 63, 111, 133, 135, 171, 195, 201, 261, 285, 399, 511, 621, 645, 735, 777, 801, 1011, 1053, 1095, 1101, 1107, 1183, 1233, 1251, 1275, 1323, 1365, 1387, 1417, 1455, 1503, 1545, 1611, 1659, 1701, 2001, 2023, 2085, 2115, 2133, 2355, 2403, 2445
Offset: 1
Examples
133 is in the sequence because (1) it is a lucky number and (2) the sum of its digits 1+3+3=7 and (3) 133 is divisible by 7.
Links
- Amiram Eldar, Table of n, a(n) for n = 1..10000